  |
American Fern Society - http://amerfernsoc.org/
Information on the biology and cultivation of ferns; activities of the society including a spore exchange and publication of Fiddlehead Forum, American Fern Journal, and Pteridologia. |
| |
Hardy Fern Foundation - http://www.hardyferns.org/
A club established to develop a comprehensive collection of the world's hardy ferns for display, testing, evaluation, public education, and introduction for gardening and horticulture. |
| |
San Diego Fern Society - http://www.sdfern.com/
Information on fern culture and the activities of the society plus lists of books and experts. |
| |
Los Angeles International Fern Society - http://www.laifs.org/
Information about the society's activities, ferns, and fern allies. |
| |
Cold-hardy Tree Ferns - http://www.angelfire.com/bc/eucalyptus/treeferns/
Well illustrated site that describes cold-hardy tree ferns and their cultivation in cool climates. |